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The seller of a loaded die claims that it will favor the outcome 6. We don't believe that claim, and roll the die 200 times to test an appropriate hypothesis. Our P-value turns out to be 0.03. Which conclusion is appropriate? Explain.
a) There's a 3% chance that the die is fair.
b) There's a 97% chance that the die is fair.
c) There's a 3% chance that a loaded die could randomly produce the results we observed, so it's reasonable to conclude that the die is fair.
d) There's a 3% chance that a fair die could randomly produce the results we observed, so it's reasonable to conclude that the die is loaded.
in this problem we explore the effect on the standard deviation of adding the same constant to each data value in a
Initially the wheel rotates with an angular speed W, causing the block to rise with a linear speed v = 0.33 m/s. Find the moment of inertia of the wheel if the block rises to a height of = 7.9 before momentarily coming to rest.
Determine the validity or invalidity of the original arguments.- Some proposed flights to Mars are inexpensive ventures, because all unmanned space missions are inexpensive ventures, and some proposed flights to Mars are not manned space missions.
1. What is the combined Exam 1 average? 2. What is the combined Exam 1 median? What is the shape of the combined Exam 1 grade distribution? (I don t understand how to find median with no data points) 3. What is the combined standard deviation?
The following data set shows the ages of the first 7 presidents and the 7 most recent presidents including President Obama. Find the mean, median, and range for each of the two data sets.
a decision maker is interested in estimating a population proportion. a sample of size n 150 yields 115 successes.
What is a scatterplot?- What happens when a scatterplot shows the relationship to be curvilinear?- What is a regression equation? How might an employer use a regression equation?
Explain what you understand by price elasticity of demand. Give examples of inelastic and elastic products or services, discussing how the concept might be used in marketing situations.
Problem: Find the probability and interpret the results. If convenient, use technology to find the probability. During a certain week the mean price of gasoline was $2.707 per gallon. A random sample of 38 gas stations is drawn from this populatio..
What percentage of the bank's customers carries average daily balances below of $200? What percentage of the bank's customers carries average daily balances between $300 and $700?
Would the null hypothesis be accepted or rejected in this case?
Find the weighted mean if each three-hour course counts for 18%, and each four-hour course counts for 23% of her final semester score.
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